Comment # 5
on bug 1110259
from Till D�rges
It appears I stumbled across another instance of this problem.
Bug occurred during 'zypper dup' (openSUSE Leap 15.0 -> 15.1).
The machine in question, however, does not use BTRFS at all:
--- snip ---
box:~ # grep btr /etc/fstab
box:~ # mount | grep btr
box:~ #
--- snap ---
Some additional information:
--- snip ---
(761/898) Installing: btrfsmaintenance-0.4.2-lp151.1.1.noarch
.............................................<100%>[\]
box:~ # ps auxwww
[...]
root 8446 0.0 0.1 57256 9332 pts/1 S+ 13:44 0:00 rpm --root /
--dbpath /var/lib/rpm -U --percent --noglob --force --nodeps --
/var/cache/zypp/packages/deflektor_oss/noarch/btrfsmaintenance-0.4.2-lp151.1.1.noarch.rpm
root 8496 0.0 0.0 11980 2816 pts/1 S+ 13:44 0:00 /bin/sh
/var/tmp/rpm-tmp.WnJcBQ 1
root 8531 0.0 0.0 11980 1904 pts/1 S+ 13:44 0:00 /bin/sh
/var/tmp/rpm-tmp.WnJcBQ 1
root 8532 0.0 0.0 60224 6164 pts/1 S+ 13:44 0:00
/usr/bin/systemctl
try-restart btrfsmaintenance-refresh.service btrfsmaintenance-refresh.path
btrfs-balance.service btrfs-balance.timer btrfs-defrag.service
btrfs-defrag.timer
btrfs-scrub.service btrfs-scrub.timer btrfs-trim.service btrfs-trim.timer
box:~ # lsof -p 8532
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
systemctl 8532 root cwd DIR 254,2 4096 2 /
systemctl 8532 root rtd DIR 254,2 4096 2 /
systemctl 8532 root txt REG 254,2 182416 531004
/usr/bin/systemctl
systemctl 8532 root mem REG 254,2 1356080 3932198
/lib64/libm-2.26.so
systemctl 8532 root mem REG 254,2 141560 533143
/usr/lib64/libudev.so.1.6.6
systemctl 8532 root mem REG 254,2 64208 530729
/usr/lib64/libjson-c.so.3.0.1
systemctl 8532 root mem REG 254,2 30896 525373
/usr/lib64/libargon2.so.1
systemctl 8532 root mem REG 254,2 354144 528070
/usr/lib64/libdevmapper.so.1.03
systemctl 8532 root mem REG 254,2 30840 524568
/usr/lib64/libuuid.so.1.3.0
systemctl 8532 root mem REG 254,2 18824 3932195
/lib64/libattr.so.1.1.0
systemctl 8532 root mem REG 254,2 575808 524531
/usr/lib64/libpcre.so.1.2.9
systemctl 8532 root mem REG 254,2 337224 530647
/usr/lib64/libcryptsetup.so.12.3.0
systemctl 8532 root mem REG 254,2 338976 525529
/usr/lib64/libblkid.so.1.1.0
systemctl 8532 root mem REG 254,2 268576 524634
/usr/lib64/libseccomp.so.2.3.2
systemctl 8532 root mem REG 254,2 35424 3932224
/lib64/libacl.so.1.1.2253
systemctl 8532 root mem REG 254,2 130208 530939
/usr/lib64/libgpg-error.so.0.24.0
systemctl 8532 root mem REG 254,2 18616 3932192
/lib64/libdl-2.26.so
systemctl 8532 root mem REG 254,2 1164832 529454
/usr/lib64/libgcrypt.so.20.2.2
systemctl 8532 root mem REG 254,2 84352 525302
/usr/lib64/liblz4.so.1.8.0
systemctl 8532 root mem REG 254,2 235576 525270
/usr/lib64/liblzma.so.5.2.3
systemctl 8532 root mem REG 254,2 97200 3932312
/lib64/libresolv-2.26.so
systemctl 8532 root mem REG 254,2 42120 3934078
/lib64/librt-2.26.so
systemctl 8532 root mem REG 254,2 18984 526567
/usr/lib64/libcap.so.2.25
systemctl 8532 root mem REG 254,2 159456 3934083
/lib64/libselinux.so.1
systemctl 8532 root mem REG 254,2 2034848 3932178
/lib64/libc-2.26.so
systemctl 8532 root mem REG 254,2 140688 3932289
/lib64/libpthread-2.26.so
systemctl 8532 root mem REG 254,2 2302168 531028
/usr/lib/systemd/libsystemd-shared-234.so
systemctl 8532 root mem REG 254,2 180056 3934066
/lib64/ld-2.26.so
systemctl 8532 root 0r FIFO 0,12 0t0 50830 pipe
systemctl 8532 root 1w FIFO 0,12 0t0 52546 pipe
systemctl 8532 root 2w FIFO 0,12 0t0 52546 pipe
systemctl 8532 root 3u unix 0xffff8801f5e10400 0t0 50858 type=STREAM
box:~ # strace -p 8532
strace: Process 8532 attached
ppoll([{fd=3, events=POLLIN}], 1, NULL, NULL, 8
box:~ # ps -elf | head -1; ps -elf | egrep 'bt[r]|853[1]'
F S UID PID PPID C PRI NI ADDR SZ WCHAN STIME TTY TIME CMD
0 S root 3255 3225 0 80 0 - 8210 - 13:25 pts/1 00:00:00
/usr/bin/python3 /usr/lib/zypp/plugins/commit/btrfs-defrag-plugin.py
4 S root 8446 3225 0 80 0 - 14314 - 13:44 pts/1 00:00:00 rpm
--root
/ --dbpath /var/lib/rpm -U --percent --noglob --force --nodeps --
/var/cache/zypp/packages/deflektor_oss/noarch/btrfsmaintenance-0.4.2-lp151.1.1.noarch.rpm
1 S root 8531 8496 0 80 0 - 2995 - 13:44 pts/1 00:00:00
/bin/sh
/var/tmp/rpm-tmp.WnJcBQ 1
0 S root 8532 8531 0 80 0 - 15056 SyS_pp 13:44 pts/1 00:00:00
/usr/bin/systemctl try-restart btrfsmaintenance-refresh.service
btrfsmaintenance-refresh.path btrfs-balance.service btrfs-balance.timer
btrfs-defrag.service btrfs-defrag.timer btrfs-scrub.service btrfs-scrub.timer
btrfs-trim.service btrfs-trim.timer
box:~ # systemctl | head -1; systemctl | grep btr
UNIT LOAD ACTIVE SUB DESCRIPTION
btrfsmaintenance-refresh.path loaded active waiting Watch
/etc/sysconfig/btrfsmaintenance
btrfs-balance.timer loaded active waiting Balance block
groups on a
btrfs filesystem
btrfs-scrub.timer loaded active waiting Scrub btrfs
filesystem,
verify block checksums
btrfs-trim.timer loaded active waiting Discard unused
blocks on
a mounted filesystem
box:~ # cat /var/tmp/rpm-tmp.WnJcBQ
test -n "$FIRST_ARG" || FIRST_ARG="$1"
if [ "$FIRST_ARG" -ge 1 ]; then
# Package upgrade, not uninstall
if [ -x /usr/bin/systemctl ]; then
/usr/bin/systemctl daemon-reload || :
(
test "$YAST_IS_RUNNING" = instsys && exit 0
test -f /etc/sysconfig/services -a \
-z "$DISABLE_RESTART_ON_UPDATE" && .
/etc/sysconfig/services
test "$DISABLE_RESTART_ON_UPDATE" = yes -o \
"$DISABLE_RESTART_ON_UPDATE" = 1 && exit 0
/usr/bin/systemctl try-restart
btrfsmaintenance-refresh.service btrfsmaintenance-refresh.path
btrfs-balance.service
btrfs-balance.timer btrfs-defrag.service btrfs-defrag.timer btrfs-scrub.service
btrfs-scrub.timer btrfs-trim.service btrfs-trim.timer
) || :
fi
else # package uninstall
for service in btrfsmaintenance-refresh.service
btrfsmaintenance-refresh.path
btrfs-balance.service btrfs-balance.timer btrfs-defrag.service
btrfs-defrag.timer
btrfs-scrub.service btrfs-scrub.timer btrfs-trim.service btrfs-trim.timer ; do
sysv_service="${service%.*}"
rm -f "/var/lib/systemd/migrated/$sysv_service" || :
done
if [ -x /usr/bin/systemctl ]; then
/usr/bin/systemctl daemon-reload || :
fi
fi
# did not terminate process
box:~ # kill 8532
# did work
box:~ # kill -9 8532
--- snap ---